White House, US citizens leave Russia as soon as possible - Last hour. American citizens in Russia, even those with dual nationality, are invited to leave the country immediately.

This is the warning launched by the coordinator of the National Security Council John Kirby after the arrest of a 33-year-old Russian-American citizen for high treason in the Russian city of Yekaterinburg resident in Los Angeles. "We are aware of this and are trying to obtain consular access but for now we cannot say more," he said.